tailshield

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English

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Etymology

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From tail +‎ shield.

Noun

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tailshield (plural tailshields)

  1. The pygidium.
    • 1985, E. W. Nield, Ted Nield, V. C. T. Tucker, Palaeontology, an Introduction:
      Trilobites have a distinct headshield or cephalon and a distinct tailshield or pygidium, and in both these regions the original segmentation has been suppressed — more completely in the cephalon than in the pygidium — and [...]

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